1. • They are also known as Secure Digital Cards.
• That are small and rectangular.
• The cards use solid state technology.
Advantages:
• They are very small
and easy to transport.
• They are robust.
• Easy to connect to
mobile devices.
Disadvantages:
• They are more
expensive.
• Lower storage capacity.
• Small size.
Pen drives
Advantages
USB memory sticks are small portable external
storage devices.
They are used to transfer data between computers
Very cheap to buy
Disadvantages
Small physical size means that they are easy to
misplace or lose
More expensive per GB than magnetic hard disks
Solid Hard State Drive
• Used in Desktop PC’s and laptops in place of magnetic hard disk
devices
• Also referred to as SSD’s
Disadvantages:
• Smaller
storage
• More
expensive
than magnetic
hard disks
Advantages:
• Run silently
• Longer life span
• Faster data access
and transfer times
• Use Less power
• Produce less heat
